/*
 * Paper
 * A simple, clean, flexible Hugo theme
 * https://github.com/nanxiaobei/hugo-paper
 * Designed by MR.LEE (https://mrlee.me/)
 * Updated in 2019.10.17
 */

/* Theme
-------------------------------------------------- */
:root {
  --gap: 24px;
  --content-gap: 40px;
  --nav-width: 1024px;
  --main-width: 640px;
  --header-height: 60px;
  --footer-height: 60px;
  --radius: 8px;

  --theme: #fff;
  --primary: rgba(0, 0, 0, 0.88);
  --secondary: rgba(0, 0, 0, 0.56);
  --tertiary: rgba(0, 0, 0, 0.16);

  --hljs-bg: #1c1d21;
  --code-bg: #f5f5f5;
  --border: #eee;
}
.dark {
  --theme: #3c3c3c;
  --primary: rgba(255, 255, 255, 0.88);
  --secondary: rgba(255, 255, 255, 0.56);
  --tertiary: rgba(255, 255, 255, 0.16);

  --hljs-bg: #2a2a2a;
  --code-bg: #4f4f4f;
  --border: #5f5f5f;
}
.list {
  background: linear-gradient(135deg, #ddd, #f5f5f5, #d5d5d5);
}
.dark.list {
  background: linear-gradient(135deg, #1c1c1c, #2a2a2a, #000);
}
/* Reset
-------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-tap-highlight-color: transparent;
}
body {
  margin: 0;
  color: var(--primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
    'Open Sans', 'Helvetica Neue', sans-serif;
  font-size: 18px;
  line-height: 1.8;
  word-break: break-word;
  background: var(--theme);
}
article,
aside,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section {
  display: block;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 0;
  margin-bottom: 0;
  line-height: 1.2;
}
p {
  margin-top: 0;
  margin-bottom: 0;
}
strong,
b {
  font-weight: 500;
}
ul {
  margin: 0;
  padding: 0;
}
a {
  color: var(--primary);
  text-decoration: none;
}
figure {
  margin: 0;
}
table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}
button,
input,
textarea {
  padding: 0;
  font: inherit;
  background: transparent;
  border: 0;
  -webkit-appearance: none;
}
button,
input[type='button'],
input[type='submit'] {
  cursor: pointer;
}
input,
textarea {
  padding: 0;
  border: 0;
  outline: 0;
}
input:-webkit-autofill,
textarea:-webkit-autofill {
  box-shadow: 0 0 0 50px var(--theme) inset;
}
img {
  display: block;
  max-width: 100%;
}
/* Header
-------------------------------------------------- */
.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: calc(var(--nav-width) + var(--gap) * 2);
  margin-left: auto;
  margin-right: auto;
}
.nav a {
  display: block;
  line-height: var(--header-height);
}
.logo,
.menu {
  margin-left: var(--gap);
  margin-right: var(--gap);
}
.logo a {
  font-size: 24px;
  font-weight: 700;
}
.menu {
  display: flex;
  list-style: none;
  word-break: keep-all;
  overflow-x: auto;
}
.menu li + li {
  margin-left: var(--gap);
}
.menu a {
  font-size: 16px;
}
/* Main
-------------------------------------------------- */
.main {
  position: relative;
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
  max-width: calc(var(--main-width) + var(--gap) * 2);
  margin-left: auto;
  margin-right: auto;
  padding: var(--gap);
}
.page-header {
  margin-bottom: 24px;
}
.page-header h1 {
  font-size: 40px;
}
.pagination {
  display: flex;
}
.pagination a {
  color: var(--theme);
  font-size: 13px;
  line-height: 36px;
  background: var(--primary);
  border-radius: calc(36px / 2);
}
.pagination .prev {
  padding-left: 16px;
  padding-right: 18px;
}
.pagination .next {
  margin-left: auto;
  padding-left: 18px;
  padding-right: 16px;
}
/* Post entry
-------------------------------------------------- */
.first-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 320px;
  margin-bottom: var(--header-height);
}
.first-entry .entry-header {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.first-entry .entry-header h2 {
  font-size: 40px;
}
.first-entry .entry-content {
  margin-top: 14px;
  margin-bottom: 14px;
  font-size: 16px;
  -webkit-line-clamp: 3;
}
.first-entry .entry-footer {
  font-size: 14px;
}
.post-entry {
  position: relative;
  margin-bottom: var(--gap);
  padding: var(--gap);
  background: var(--theme);
  border-radius: var(--radius);
  transition: transform 0.1s;
}
.post-entry:active {
  transform: scale(0.96);
}
.tag-entry .entry-content,
.tag-entry .entry-footer {
  display: none;
}
.entry-header h2 {
  font-size: 24px;
}
.entry-content {
  margin-top: 8px;
  margin-bottom: 8px;
  color: var(--secondary);
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.entry-footer {
  color: var(--secondary);
  font-size: 13px;
}
.entry-link {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}
/* Post single
-------------------------------------------------- */
.post-header {
  margin-top: 24px;
  margin-bottom: var(--content-gap);
}
.post-title {
  margin-bottom: 2px;
  font-size: 40px;
  transform: translateX(-2px);
}
.post-meta {
  color: var(--secondary);
  font-size: 14px;
}
.post-content h1 {
  margin-top: 40px;
  margin-bottom: 32px;
}
.post-content h2 {
  margin-top: 32px;
  margin-bottom: 24px;
}
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  margin-top: 24px;
  margin-bottom: 16px;
}
.post-content h1 {
  font-size: 40px;
}
.post-content h2 {
  font-size: 32px;
}
.post-content h3 {
  font-size: 24px;
}
.post-content h4 {
  font-size: 16px;
}
.post-content h5 {
  font-size: 14px;
}
.post-content h6 {
  font-size: 12px;
}
.post-content a {
  box-shadow: 0 1px 0 var(--primary);
}
.post-content a code {
  margin-left: 0;
  margin-right: 0;
  border-radius: 0;
  box-shadow: 0 -1px 0 var(--primary) inset;
}
.post-content del {
  text-decoration: none;
  background: linear-gradient(to right, var(--primary) 100%, transparent 0) 0 50% / 1px 1px repeat-x;
}
.post-content p,
.post-content ul,
.post-content ol,
.post-content dl {
  margin-bottom: var(--content-gap);
}
.post-content ul,
.post-content ol {
  padding-left: 20px;
}
.post-content li {
  margin-top: 5px;
}
.post-content li p {
  margin-bottom: 0;
}
.post-content dl {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
}
.post-content dt {
  width: 25%;
  font-weight: 700;
}
.post-content dd {
  width: 75%;
  margin-left: 0;
  padding-left: 10px;
}
.post-content dt ~ dt,
.post-content dd ~ dd {
  margin-top: 10px;
}
.post-content table {
  margin-bottom: 32px;
}
.post-content table th,
.post-content table:not(.highlighttable) td {
  min-width: 80px;
  padding: 12px 8px;
  line-height: 1.5;
  border-bottom: 1px solid var(--border);
}
.post-content table th {
  font-size: 14px;
  text-align: left;
}
.post-content table:not(.highlighttable) td code:only-child {
  margin-left: 0;
  margin-right: 0;
}
.post-content .highlight,
.post-content pre {
  margin-left: calc(var(--gap) * -1);
  margin-right: calc(var(--gap) * -1);
  margin-bottom: 32px;
  background: var(--hljs-bg) !important;
  border-radius: var(--radius);
}
.post-content ul pre {
  margin-left: calc(var(--gap) * -2);
}
.post-content .highlight pre {
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 0;
}
/* table */
.post-content .highlighttable {
  table-layout: fixed;
}
.post-content .highlighttable td:first-child {
  width: 40px;
}
.post-content .highlighttable td .linenodiv {
  padding-right: 0 !important;
}
.post-content .highlighttable td .linenodiv pre,
.post-content .highlighttable td .highlight {
  margin-bottom: 0;
}
.post-content .highlighttable td .highlight pre code::-webkit-scrollbar {
  display: none;
}
/* inline */
.post-content .highlight span {
  background: transparent !important;
}

.post-content code {
  margin-left: 4px;
  margin-right: 4px;
  padding: 4px 6px;
  font-family: Menlo, Monaco, 'Courier New', Courier, monospace;
  font-size: 0.78em;
  line-height: 1.5;
  background: var(--code-bg);
  border-radius: 2px;
}
.post-content pre code {
  display: block;
  margin-left: 0;
  margin-right: 0;
  padding: var(--gap);
  color: rgba(255, 255, 255, 0.8);
  background: transparent;
  border-radius: 0;
}
.post-content blockquote {
  margin: 0 0 0 calc(var(--gap) * -1);
  padding: 0 0 0 21px;
  border-left: 3px solid var(--primary);
}
.post-content hr {
  height: 1px;
  margin-top: 56px;
  margin-bottom: 56px;
  background: var(--tertiary);
  border-top: 0;
  border-bottom: 0;
}
.post-content iframe {
  max-width: 100%;
}
.post-footer {
  margin-top: 56px;
}
.post-tags li {
  display: inline-block;
}
.post-tags li + li {
  margin-left: 3px;
}
.post-tags a {
  display: block;
  padding-left: 14px;
  padding-right: 14px;
  color: var(--secondary);
  font-size: 14px;
  line-height: 34px;
  background: var(--code-bg);
  border-radius: 2px;
}
.post-tags a:hover {
  background: var(--border);
}
/* Footer
-------------------------------------------------- */
.footer {
  max-width: calc(var(--main-width) + var(--gap) * 2);
  margin-left: auto;
  margin-right: auto;
  padding: calc((var(--footer-height) - var(--gap)) / 2) var(--gap);
  color: var(--secondary);
  font-size: 12px;
  text-align: center;
  line-height: 24px;
}
.footer span {
  margin-left: 1px;
  margin-right: 1px;
}
.footer a {
  color: inherit;
}
.footer a:hover {
  color: var(--primary);
  border-bottom: 1px solid var(--primary);
}
/* 404
-------------------------------------------------- */
.not-found {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80%;
  font-size: 160px;
  font-weight: 700;
}
